23877994 has 24 divisors (see below), whose sum is σ = 41942880. Its totient is φ = 10165176.

The previous prime is 23877983. The next prime is 23878027. The reversal of 23877994 is 49977832.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15637 + ... + 17095.

It is an arithmetic number, because the mean of its divisors is an integer number (1747620).

Almost surely, 2^23877994 is an apocalyptic number.

23877994 is a deficient number, since it is larger than the sum of its proper divisors (18064886).

23877994 is a wasteful number, since it uses less digits than its factorization.

23877994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642 (or 1635 counting only the distinct ones).

The product of its digits is 762048, while the sum is 49.

The square root of 23877994 is about 4886.5114345512. The cubic root of 23877994 is about 287.9602970603.

The spelling of 23877994 in words is "twenty-three million, eight hundred seventy-seven thousand, nine hundred ninety-four".